add builder dockerfile, update circleci to use

Author: benmoose

.circleci/config.yml

@@ -3,24 +3,22 @@ version: 2.1
 jobs:
   gatekeeper_test:
     docker:
-      - image: circleci/python:3
+      - image: benmoose/gatekeeper-builder
     steps:
       - checkout
       - setup_remote_docker
-      - run:
-          name: Build images
-          command: |
-            docker-compose build
+#      - run:
+#          name: Build images
+#          command: |
+#            docker-compose build
       - run:
           name: Check code style
           command: |
-            docker-compose -f docker-compose.yml \
-              run --rm --no-deps --entrypoint ./run-linter.sh server --check
+            ./run-linter.sh --check
       - run:
           name: Run tests
           command: |
-            docker-compose -f docker-compose.yml \
-              run --rm --entrypoint ./run-tests.sh server
+            ./run-tests.sh -vv
 
 workflows:
   version: 2

operations/django/Dockerfile

@@ -3,8 +3,8 @@ ENV PYTHONUNBUFFERED 1
 
 WORKDIR /wheels
 
-COPY requirements*.txt requirements/
-RUN pip wheel -r ./requirements/requirements.test.txt
+COPY requirements.txt requirements
+RUN pip wheel -r ./requirements/requirements.txt
 
 FROM python:3.7-slim
 ENV PYTHONUNBUFFERED 1

operations/django/builder.Dockerfile

@@ -0,0 +1,19 @@
+FROM python:3.7 AS builder
+ENV PYTHONUNBUFFERED 1
+
+WORKDIR /wheels
+
+COPY requirements*.txt requirements/
+RUN pip wheel -r ./requirements/requirements.test.txt
+
+FROM python:3.7-slim
+ENV PYTHONUNBUFFERED 1
+
+COPY --from=builder /wheels /wheels
+
+RUN pip install -r /wheels/requirements/requirements.test.txt -f /wheels \
+    && rm -rf /wheels \
+    && rm -rf /root/.cache/pip/*
+
+WORKDIR /usr/src/app
+COPY . .